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228897256619148 = 223135479072957477
BaseRepresentation
bin110100000010111001001011…
…101010111011110010001100
31010000110100211101002212021120
4310002321023222323302030
5220000223040143303043
62130453540435000540
766133165254644415
oct6402711352736214
91100410741085246
10228897256619148
1166a2a866027807
12218099a4139150
139a94bc345aa90
14407498742080c
151b6e222613983
hexd02e4babbc8c

228897256619148 has 96 divisors (see below), whose sum is σ = 576864743395584. Its totient is φ = 70223635093248.

The previous prime is 228897256619137. The next prime is 228897256619167. The reversal of 228897256619148 is 841916652798822.

228897256619148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75917386 + ... + 78874862.

It is an arithmetic number, because the mean of its divisors is an integer number (6009007743704).

Almost surely, 2228897256619148 is an apocalyptic number.

It is an amenable number.

228897256619148 is an abundant number, since it is smaller than the sum of its proper divisors (347967486776436).

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

228897256619148 is a wasteful number, since it uses less digits than its factorization.

228897256619148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958951 (or 2958949 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 78.

The spelling of 228897256619148 in words is "two hundred twenty-eight trillion, eight hundred ninety-seven billion, two hundred fifty-six million, six hundred nineteen thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 547 907 1094 1641 1814 2188 2721 3282 3628 5442 6564 7111 10884 11791 14222 21333 23582 28444 35373 42666 47164 70746 85332 141492 496129 992258 1488387 1984516 2957477 2976774 5914954 5953548 6449677 8872431 11829908 12899354 17744862 19349031 25798708 35489724 38447201 38698062 76894402 77396124 115341603 153788804 230683206 461366412 1617739919 2682431639 3235479838 4853219757 5364863278 6470959676 8047294917 9706439514 10729726556 16094589834 19412879028 21030618947 32189179668 34871611307 42061237894 63091856841 69743222614 84122475788 104614833921 126183713682 139486445228 209229667842 252367427364 418459335684 1467290106533 2934580213066 4401870319599 5869160426132 8803740639198 17607481278396 19074771384929 38149542769858 57224314154787 76299085539716 114448628309574 228897256619148