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69999995000 = 2354135032141
BaseRepresentation
bin100000100110001010…
…0110010100001111000
320200200102100012000102
41001030110302201320
52121324444320000
652054010454532
75025444066035
oct1011424624170
9220612305012
1069999995000
1127761199341
1211696a34448
1367a74452b0
143560a1438c
151c4a60e3d5
hex104c532878

69999995000 has 160 divisors (see below), whose sum is σ = 177059947680. Its totient is φ = 25782720000.

The previous prime is 69999994931. The next prime is 69999995003. The reversal of 69999995000 is 59999996.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69999995003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32693930 + ... + 32696070.

It is an arithmetic number, because the mean of its divisors is an integer number (1106624673).

Almost surely, 269999995000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69999995000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88529973840).

69999995000 is an abundant number, since it is smaller than the sum of its proper divisors (107059952680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69999995000 is a wasteful number, since it uses less digits than its factorization.

69999995000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 15943230, while the sum is 65.

The spelling of 69999995000 in words is "sixty-nine billion, nine hundred ninety-nine million, nine hundred ninety-five thousand".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 125 130 200 250 260 325 500 503 520 625 650 1000 1006 1250 1300 1625 2012 2141 2500 2515 2600 3250 4024 4282 5000 5030 6500 6539 8125 8564 10060 10705 12575 13000 13078 16250 17128 20120 21410 25150 26156 27833 32500 32695 42820 50300 52312 53525 55666 62875 65000 65390 85640 100600 107050 111332 125750 130780 139165 163475 214100 222664 251500 261560 267625 278330 314375 326950 428200 503000 535250 556660 628750 653900 695825 817375 1070500 1076923 1113320 1257500 1307800 1338125 1391650 1634750 2141000 2153846 2515000 2676250 2783300 3269500 3479125 4086875 4307692 5352500 5384615 5566600 6539000 6958250 8173750 8615384 10705000 10769230 13916500 13999999 16347500 17395625 21538460 26923075 27833000 27999998 32695000 34791250 43076920 53846150 55999996 69582500 69999995 107692300 111999992 134615375 139165000 139999990 215384600 269230750 279999980 349999975 538461500 559999960 673076875 699999950 1076923000 1346153750 1399999900 1749999875 2692307500 2799999800 3499999750 5384615000 6999999500 8749999375 13999999000 17499998750 34999997500 69999995000