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100420411425 = 3521783948929
BaseRepresentation
bin101110110000110000…
…1011110000000100001
3100121012110201110022020
41131201201132000201
53121130111131200
6114044341532053
710153340261535
oct1354141360041
9317173643266
10100420411425
1139651782464
1217566714029
1396149497b9
144c08c19bc5
15292b0d0ea0
hex176185e021

100420411425 has 48 divisors (see below), whose sum is σ = 177912987840. Its totient is φ = 49799741440.

The previous prime is 100420411423. The next prime is 100420411451. The reversal of 100420411425 is 524114024001.

It is not a de Polignac number, because 100420411425 - 21 = 100420411423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100420411395 and 100420411404.

It is not an unprimeable number, because it can be changed into a prime (100420411423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 368640 + ... + 580289.

It is an arithmetic number, because the mean of its divisors is an integer number (3706520580).

Almost surely, 2100420411425 is an apocalyptic number.

100420411425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100420411425 is a deficient number, since it is larger than the sum of its proper divisors (77492576415).

100420411425 is a wasteful number, since it uses less digits than its factorization.

100420411425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949042 (or 949037 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 100420411425 its reverse (524114024001), we get a palindrome (624534435426).

The spelling of 100420411425 in words is "one hundred billion, four hundred twenty million, four hundred eleven thousand, four hundred twenty-five".

Divisors: 1 3 5 15 17 25 51 75 83 85 249 255 415 425 1245 1275 1411 2075 4233 6225 7055 21165 35275 105825 948929 2846787 4744645 14233935 16131793 23723225 48395379 71169675 78761107 80658965 236283321 241976895 393805535 403294825 1181416605 1209884475 1338938819 1969027675 4016816457 5907083025 6694694095 20084082285 33473470475 100420411425