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197672079930 = 235131711729611
BaseRepresentation
bin1011100000011000101…
…1001001001000111010
3200220020002220002111120
42320012023021020322
511214313023024210
6230450450410110
720165332646013
oct2700613111072
9626202802446
10197672079930
1176917810416
1232387b90936
1315842c4c990
1497d2c6600a
15521ddda270
hex2e062c923a

197672079930 has 64 divisors (see below), whose sum is σ = 510953401728. Its totient is φ = 48653256960.

The previous prime is 197672079929. The next prime is 197672079937. The reversal of 197672079930 is 39970276791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (197672079937) 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, 6660825 + ... + 6690435.

It is an arithmetic number, because the mean of its divisors is an integer number (7983646902).

Almost surely, 2197672079930 is an apocalyptic number.

197672079930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197672079930 is an abundant number, since it is smaller than the sum of its proper divisors (313281321798).

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

197672079930 is a wasteful number, since it uses less digits than its factorization.

197672079930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46751.

The product of its (nonzero) digits is 9001692, while the sum is 60.

The spelling of 197672079930 in words is "one hundred ninety-seven billion, six hundred seventy-two million, seventy-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 17117 29611 34234 51351 59222 85585 88833 102702 148055 171170 177666 222521 256755 296110 384943 444165 445042 513510 667563 769886 888330 1112605 1154829 1335126 1924715 2225210 2309658 3337815 3849430 5774145 6675630 11548290 506851487 1013702974 1520554461 2534257435 3041108922 5068514870 6589069331 7602772305 13178138662 15205544610 19767207993 32945346655 39534415986 65890693310 98836039965 197672079930