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197378715604 = 227223124925309
BaseRepresentation
bin1011011111010010110…
…0000010111111010100
3200212110122212122022011
42313310230002333110
511213212422344404
6230401410514004
720155141254310
oct2676454027724
9625418778264
10197378715604
1176787159464
1232305895904
13157c7236315
1497a5cdcb40
15520328c604
hex2df4b02fd4

197378715604 has 48 divisors (see below), whose sum is σ = 396860800000. Its totient is φ = 84140798976.

The previous prime is 197378715587. The next prime is 197378715613. The reversal of 197378715604 is 406517873791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7786102 + ... + 7811410.

Almost surely, 2197378715604 is an apocalyptic number.

197378715604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

197378715604 is an abundant number, since it is smaller than the sum of its proper divisors (199482084396).

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

197378715604 is a wasteful number, since it uses less digits than its factorization.

197378715604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26792 (or 26790 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 197378715604 in words is "one hundred ninety-seven billion, three hundred seventy-eight million, seven hundred fifteen thousand, six hundred four".

Divisors: 1 2 4 7 14 28 223 446 892 1249 1561 2498 3122 4996 6244 8743 17486 25309 34972 50618 101236 177163 278527 354326 557054 708652 1114108 1949689 3899378 5643907 7798756 11287814 22575628 31610941 39507349 63221882 79014698 126443764 158029396 221276587 442553174 885106348 7049239843 14098479686 28196959372 49344678901 98689357802 197378715604