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154401102040 = 23522071748993
BaseRepresentation
bin1000111111001100000…
…1011101100011011000
3112202112110220122212211
42033303001131203120
510012203140231130
6154533023244504
714104126466353
oct2176301354330
9482473818784
10154401102040
115a532440269
1225b10749734
1311738309c53
14768a0b529a
15403a184a2a
hex23f305d8d8

154401102040 has 32 divisors (see below), whose sum is σ = 347560087680. Its totient is φ = 61732421632.

The previous prime is 154401102019. The next prime is 154401102047. The reversal of 154401102040 is 40201104451.

154401102040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1544011020402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154401102047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786217 + ... + 962776.

It is an arithmetic number, because the mean of its divisors is an integer number (10861252740).

Almost surely, 2154401102040 is an apocalyptic number.

154401102040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154401102040 is an abundant number, since it is smaller than the sum of its proper divisors (193158985640).

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

154401102040 is a wasteful number, since it uses less digits than its factorization.

154401102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751211 (or 1751207 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 154401102040 its reverse (40201104451), we get a palindrome (194602206491).

The spelling of 154401102040 in words is "one hundred fifty-four billion, four hundred one million, one hundred two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 2207 4414 8828 11035 17656 22070 44140 88280 1748993 3497986 6995972 8744965 13991944 17489930 34979860 69959720 3860027551 7720055102 15440110204 19300137755 30880220408 38600275510 77200551020 154401102040