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30424631172 = 223137110127197
BaseRepresentation
bin11100010101011100…
…110000011110000100
32220112100022101211120
4130111130300132010
5444302201144142
621551001233540
72124644045415
oct342534603604
986470271746
1030424631172
11119a2a02791
125a911928b0
132b3b34ba50
1416889c180c
15bd10557ec
hex715730784

30424631172 has 96 divisors (see below), whose sum is σ = 78298907904. Its totient is φ = 9137856000.

The previous prime is 30424631141. The next prime is 30424631189. The reversal of 30424631172 is 27113642403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1105078 + ... + 1132274.

It is an arithmetic number, because the mean of its divisors is an integer number (815613624).

Almost surely, 230424631172 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 30424631172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39149453952).

30424631172 is an abundant number, since it is smaller than the sum of its proper divisors (47874276732).

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

30424631172 is a wasteful number, since it uses less digits than its factorization.

30424631172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27389 (or 27387 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 30424631172 in words is "thirty billion, four hundred twenty-four million, six hundred thirty-one thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 71 78 101 142 156 202 213 284 303 404 426 606 852 923 1212 1313 1846 2626 2769 3692 3939 5252 5538 7171 7878 11076 14342 15756 21513 27197 28684 43026 54394 81591 86052 93223 108788 163182 186446 279669 326364 353561 372892 559338 707122 1060683 1118676 1414244 1930987 2121366 2746897 3861974 4242732 5493794 5792961 7723948 8240691 10987588 11585922 16481382 23171844 25102831 32962764 35709661 50205662 71419322 75308493 100411324 107128983 142838644 150616986 195029687 214257966 301233972 390059374 428515932 585089061 780118748 1170178122 2340356244 2535385931 5070771862 7606157793 10141543724 15212315586 30424631172