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121052141434 = 2721772660349
BaseRepresentation
bin111000010111101000…
…1010001011101111010
3102120110022221221012201
41300233101101131322
53440403322011214
6131335515300414
711513533140100
oct1605721213572
9376408857181
10121052141434
11473798615a4
121b56414a70a
13b55217c573
145c04d87c70
153237536274
hex1c2f45177a

121052141434 has 24 divisors (see below), whose sum is σ = 223648557300. Its totient is φ = 48827753856.

The previous prime is 121052141423. The next prime is 121052141447. The reversal of 121052141434 is 434141250121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120649938409 + 402203025 = 347347^2 + 20055^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36328509 + ... + 36331840.

Almost surely, 2121052141434 is an apocalyptic number.

121052141434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121052141434 is a deficient number, since it is larger than the sum of its proper divisors (102596415866).

121052141434 is a wasteful number, since it uses less digits than its factorization.

121052141434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72660382 (or 72660375 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 121052141434 its reverse (434141250121), we get a palindrome (555193391555).

The spelling of 121052141434 in words is "one hundred twenty-one billion, fifty-two million, one hundred forty-one thousand, four hundred thirty-four".

Divisors: 1 2 7 14 17 34 49 98 119 238 833 1666 72660349 145320698 508622443 1017244886 1235225933 2470451866 3560357101 7120714202 8646581531 17293163062 60526070717 121052141434