Search a number
-
+
1010042000 = 245311311481
BaseRepresentation
bin111100001101000…
…000010010010000
32121101120110010222
4330031000102100
54032032321000
6244120412212
734013133602
oct7415002220
92541513128
101010042000
11479162560
12242317068
13131344bb6
1498203172
155da16a85
hex3c340490

1010042000 has 160 divisors (see below), whose sum is σ = 2752109568. Its totient is φ = 355200000.

The previous prime is 1010041993. The next prime is 1010042003. The reversal of 1010042000 is 2400101.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1010042003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681260 + ... + 682740.

Almost surely, 21010042000 is an apocalyptic number.

1010042000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376054784).

1010042000 is an abundant number, since it is smaller than the sum of its proper divisors (1742067568).

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

1010042000 is a wasteful number, since it uses less digits than its factorization.

1010042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1010042000 is about 31781.1579398863. The cubic root of 1010042000 is about 1003.3361907869.

Adding to 1010042000 its reverse (2400101), we get a palindrome (1012442101).

The spelling of 1010042000 in words is "one billion, ten million, forty-two thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 31 40 44 50 55 62 80 88 100 110 124 125 155 176 200 220 248 250 275 310 341 400 440 496 500 550 620 682 775 880 1000 1100 1240 1364 1375 1481 1550 1705 2000 2200 2480 2728 2750 2962 3100 3410 3875 4400 5456 5500 5924 6200 6820 7405 7750 8525 11000 11848 12400 13640 14810 15500 16291 17050 22000 23696 27280 29620 31000 32582 34100 37025 42625 45911 59240 62000 65164 68200 74050 81455 85250 91822 118480 130328 136400 148100 162910 170500 183644 185125 229555 260656 296200 325820 341000 367288 370250 407275 459110 505021 592400 651640 682000 734576 740500 814550 918220 1010042 1147775 1303280 1481000 1629100 1836440 2020084 2036375 2295550 2525105 2962000 3258200 3672880 4040168 4072750 4591100 5050210 5738875 6516400 8080336 8145500 9182200 10100420 11477750 12625525 16291000 18364400 20200840 22955500 25251050 32582000 40401680 45911000 50502100 63127625 91822000 101004200 126255250 202008400 252510500 505021000 1010042000