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142625454340 = 225193795631759
BaseRepresentation
bin1000010011010100100…
…0111011100100000100
3111122010210221210000211
42010311020323210010
54314044104014330
6145304330245204
713206251234065
oct2046510734404
9448123853024
10142625454340
115553a394916
1223784b86804
13105ac7a7b85
146c901b856c
153a9b47dd2a
hex213523b904

142625454340 has 96 divisors (see below), whose sum is σ = 316850688000. Its totient is φ = 53778598272.

The previous prime is 142625454337. The next prime is 142625454343. The reversal of 142625454340 is 43454526241.

It is an interprime number because it is at equal distance from previous prime (142625454337) and next prime (142625454343).

It is a junction number, because it is equal to n+sod(n) for n = 142625454293 and 142625454302.

It is not an unprimeable number, because it can be changed into a prime (142625454343) 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, 81082381 + ... + 81084139.

It is an arithmetic number, because the mean of its divisors is an integer number (3300528000).

Almost surely, 2142625454340 is an apocalyptic number.

142625454340 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 142625454340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158425344000).

142625454340 is an abundant number, since it is smaller than the sum of its proper divisors (174225233660).

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

142625454340 is a wasteful number, since it uses less digits than its factorization.

142625454340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 142625454340 in words is "one hundred forty-two billion, six hundred twenty-five million, four hundred fifty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 379 380 563 758 1126 1516 1759 1895 2252 2815 3518 3790 5630 7036 7201 7580 8795 10697 11260 14402 17590 21394 28804 33421 35180 36005 42788 53485 66842 72010 106970 133684 144020 167105 213377 213940 334210 426754 666661 668420 853508 990317 1066885 1333322 1980634 2133770 2666644 3333305 3961268 4054163 4267540 4951585 6666610 8108326 9903170 12666559 13333220 16216652 18816023 19806340 20270815 25333118 37632046 40541630 50666236 63332795 75264092 81083260 94080115 126665590 188160230 253331180 375330143 376320460 750660286 1501320572 1876650715 3753301430 7131272717 7506602860 14262545434 28525090868 35656363585 71312727170 142625454340