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15400115030 = 25194313114389
BaseRepresentation
bin11100101011110101…
…10001101101010110
31110202021000220022202
432111322301231112
5223014412140110
611024045524502
71053425550356
oct162572615526
943667026282
1015400115030
116592a663a3
122b99573732
1315b56cab01
14a61418b66
15601eec0a5
hex395eb1b56

15400115030 has 64 divisors (see below), whose sum is σ = 30087763200. Its totient is φ = 5656210560.

The previous prime is 15400114999. The next prime is 15400115033. The reversal of 15400115030 is 3051100451.

It is a junction number, because it is equal to n+sod(n) for n = 15400114993 and 15400115011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400115033) 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, 1063076 + ... + 1077464.

It is an arithmetic number, because the mean of its divisors is an integer number (470121300).

Almost surely, 215400115030 is an apocalyptic number.

15400115030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15400115030 is a deficient number, since it is larger than the sum of its proper divisors (14687648170).

15400115030 is a wasteful number, since it uses less digits than its factorization.

15400115030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14589.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 15400115030 its reverse (3051100451), we get a palindrome (18451215481).

The spelling of 15400115030 in words is "fifteen billion, four hundred million, one hundred fifteen thousand, thirty".

Divisors: 1 2 5 10 19 38 43 86 95 131 190 215 262 430 655 817 1310 1634 2489 4085 4978 5633 8170 11266 12445 14389 24890 28165 28778 56330 71945 107027 143890 214054 273391 535135 546782 618727 1070270 1237454 1366955 1884959 2733910 3093635 3769918 6187270 9424795 11755813 18849590 23511626 35814221 58779065 71628442 81053237 117558130 162106474 179071105 358142210 405266185 810532370 1540011503 3080023006 7700057515 15400115030